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<FONT color="green">001</FONT>    package gates;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import gates.Gate;<a name="line.3"></a>
<FONT color="green">004</FONT>    import register.Register;<a name="line.4"></a>
<FONT color="green">005</FONT>    <a name="line.5"></a>
<FONT color="green">006</FONT>    /**<a name="line.6"></a>
<FONT color="green">007</FONT>     * Creates a gate that is a composition of two or more gates.<a name="line.7"></a>
<FONT color="green">008</FONT>     * @author Matt Cole, Alex Bush<a name="line.8"></a>
<FONT color="green">009</FONT>     */<a name="line.9"></a>
<FONT color="green">010</FONT>    public class CompositeGate implements Gate {<a name="line.10"></a>
<FONT color="green">011</FONT>    <a name="line.11"></a>
<FONT color="green">012</FONT>            /** Store the array of gates creating the composition */<a name="line.12"></a>
<FONT color="green">013</FONT>            private Gate[] gates;<a name="line.13"></a>
<FONT color="green">014</FONT>            <a name="line.14"></a>
<FONT color="green">015</FONT>            /**<a name="line.15"></a>
<FONT color="green">016</FONT>             * Protected constructor to create a composite gate object. Use the &lt;code&gt;Factory&lt;/code&gt; class to create<a name="line.16"></a>
<FONT color="green">017</FONT>             * an instance of this object.<a name="line.17"></a>
<FONT color="green">018</FONT>             * @param gates<a name="line.18"></a>
<FONT color="green">019</FONT>             */<a name="line.19"></a>
<FONT color="green">020</FONT>            protected CompositeGate(Gate[] gates){<a name="line.20"></a>
<FONT color="green">021</FONT>                    this.gates = gates;<a name="line.21"></a>
<FONT color="green">022</FONT>            }<a name="line.22"></a>
<FONT color="green">023</FONT>            <a name="line.23"></a>
<FONT color="green">024</FONT>            /**<a name="line.24"></a>
<FONT color="green">025</FONT>             * Apply this gate to a given register. Will cycle through all the gates in the array<a name="line.25"></a>
<FONT color="green">026</FONT>             * and apply them sequentially.<a name="line.26"></a>
<FONT color="green">027</FONT>             */<a name="line.27"></a>
<FONT color="green">028</FONT>            public void apply(Register r) {<a name="line.28"></a>
<FONT color="green">029</FONT>                    for (int i = 0; i &lt; gates.length; i++){<a name="line.29"></a>
<FONT color="green">030</FONT>                            gates[i].apply(r);<a name="line.30"></a>
<FONT color="green">031</FONT>                    }<a name="line.31"></a>
<FONT color="green">032</FONT>            }<a name="line.32"></a>
<FONT color="green">033</FONT>    <a name="line.33"></a>
<FONT color="green">034</FONT>            /** Return the name of this gate */<a name="line.34"></a>
<FONT color="green">035</FONT>            public String getName(){<a name="line.35"></a>
<FONT color="green">036</FONT>                    return "Composite";<a name="line.36"></a>
<FONT color="green">037</FONT>            }<a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>            /** Return where this gate is functional or not.<a name="line.39"></a>
<FONT color="green">040</FONT>             * As this is a composition that can contain both, it is kind of a null question.<a name="line.40"></a>
<FONT color="green">041</FONT>             * Just return false<a name="line.41"></a>
<FONT color="green">042</FONT>             */<a name="line.42"></a>
<FONT color="green">043</FONT>            public boolean isFunctional() {<a name="line.43"></a>
<FONT color="green">044</FONT>                    return false;<a name="line.44"></a>
<FONT color="green">045</FONT>            }<a name="line.45"></a>
<FONT color="green">046</FONT>    <a name="line.46"></a>
<FONT color="green">047</FONT>    }<a name="line.47"></a>




























































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